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KMID : 1134820100390020294
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Journal of the Korean Society of Food Science and Nutrition
2010 Volume.39 No. 2 p.294 ~ p.300
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The Effects of the Supplementation of Opuntia humifusa Water Extracts and Methyl Sulfonyl Methane on the Laying Productivity, Egg Quality and Sensory Characteristics
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Park Sun-Min
Ahn Il-Sung
Hong Sang-Mee
Kim Da-Sol
Kwon Dae-Young
Yang Hye-Jung
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Abstract
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This experiment was conducted to investigate the effects of Opuntia humifusa (OPH) extracts and methyl sulfonyl methane (MSM) supplementations on the laying productivity, egg quality and sensory characteristics of eggs in hens. Six hundred forty, 35-wk-old Lohmann brown, laying hens were randomly divided into four groups: 1) water (control), 0.12% OPH extract, 0.1% MSM, and 0.12% OPH extract＋0.1% MSM. They were mixed into the feed and given for 5 weeks. Egg production rates, egg weight, feed demand ratio were not significantly different among the groups. However, OPH or MSM decreased broken egg rates by increasing thickness and firmness of egg shell but they did not show the additive effects. In addition, OPH or MSM enhanced Haugh unit, an indicator of freshness of egg, and viscosity of egg white and egg yolk. OPH or MSM maintained the freshness of eggs better the control during their storage for 10 day at 4℃. However, OPH＋MSM did not show additive effects in their freshness. Sensory test revealed that OPH or MSM decreased fishy taste and greasy flavor and they improved texture. Overall OPH or MSM enhanced the preference of eggs. In conclusion, the supplementation of either OPH or MSM enhances egg freshness and egg quality in laying hens but they should not be supplemented together due to no additive effects.
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KEYWORD
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Opuntia ficus indica, methyl sulfonyl methane, egg production rates, egg quality, Haugh unit
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